/Engine/Source/Runtime/GeometryCore/Public/Spatial/SegmentTree3.h
void FindNearestSegmentInternal ( int BoxIndex, const FVector3d & P, double & NearestDistSqr, int & NearSegmentIdx, const [IMeshSpatial::FQueryOptions](API\Runtime\GeometryCore\Spatial\IMeshSpatial\FQueryOptions) & Options ) const